def get(self, request, video_id):
video = Video.objects.get(id=int(video_id))
#通过外键找到章节再找到视频对应的课程
course = video.lession.course
course.students += 1
course.save()
# 查询用户是否已经学习了该课程
user_courses = UserCourse.objects.filter(user=request.user,
course=course)
if not user_courses:
# 如果没有学习该门课程就关联起来
user_course = UserCourse(user=request.user, course=course)
user_course.save()
#相关课程推荐
# 找到学习这门课的所有用户
user_courses = UserCourse.objects.filter(course=course)
# 找到学习这门课的所有用户的id
user_ids = [user_course.user_id for user_course in user_courses]
# 通过所有用户的id,找到所有用户学习过的所有过程
all_user_courses = UserCourse.objects.filter(user_id__in=user_ids)
# 取出所有课程id
course_ids = [
all_user_course.course_id for all_user_course in all_user_courses
]
# 通过所有课程的id,找到所有的课程，按点击量去五个
relate_courses = Course.objects.filter(
id__in=course_ids).order_by("-click_nums")[:5]
# 资源
all_resources = CourseResource.objects.filter(course=course)
return render(
request, 'course-play.html', {
'course': course,
'all_resources': all_resources,
'relate_courses': relate_courses,
'video': video,
})
def get(self, request, course_id):
course = Course.objects.get(id=int(course_id))
all_resources = CourseResource.objects.filter(course=course)
course.students += 1
course.save()
# 查询用户是否已经学习了该课程
user_courses = UserCourse.objects.filter(user=request.user,
course=course)
if not user_courses:
# 如果没有学习该门课程就关联起来
user_course = UserCourse(user=request.user, course=course)
user_course.save()
# 找到学习这门课的所有用户
user_courses = UserCourse.objects.filter(course=course)
# 找到学习这门课的所有用户的id
user_ids = [user_course.user_id for user_course in user_courses]
# 通过所有用户的id,找到所有用户学习过的所有过程
all_user_courses = UserCourse.objects.filter(user_id__in=user_ids)
# 取出所有课程id
course_ids = [
all_user_course.course_id for all_user_course in all_user_courses
]
# 通过所有课程的id,找到所有的课程，按点击量去五个
relate_courses = Course.objects.filter(
id__in=course_ids).order_by("-click_nums")[:5]
# vedio = course.lesson_set.first().get_lesson_vedio().first().name
# print(vedio)
return render(
request, "course-video.html", {
"course": course,
'all_resources': all_resources,
'relate_courses': relate_courses,
})
def get(self, request, course_id, *args, **kwargs):
course = Course.objects.get(id=int(course_id))
course.click_nums += 1
course.save()
comments = CourseComments.objects.filter(
course=course).order_by('-course__coursecomments__add_time')
# 查询用户是否已经关联了该课程
user_courses = UserCourse.objects.filter(user=request.user,
course=course)
if not user_courses:
user_course = UserCourse(user=request.user, course=course)
user_course.save()
course.students += 1
course.save()
# 学习过该课程的所有同学
user_courses = UserCourse.objects.filter(course=course)
user_ids = [user_course.user.id for user_course in user_courses]
all_courses = UserCourse.objects.filter(
user_id__in=user_ids).order_by("-course__click_nums")[:5]
# related_courses = [user_course.course for user_course in all_courses if user_course.course.id != course.id]
related_courses = []
for item in all_courses:
if item.course.id != course.id:
related_courses.append(item.course)
course_resources = CourseResource.objects.filter(course=course)
return render(
request, "course-comment.html", {
"course": course,
"course_resources": course_resources,
"related_courses": related_courses,
"comments": comments
})
def get(self, request, course_id, *args, **kwargs):
course = Course.objects.get(id=int(course_id))
course.click_nums += 1
course.save()
# 关联用户与课程
user_course = UserCourse.objects.filter(user=request.user,
course=course)
if not user_course:
user_course = UserCourse(user=request.user, course=course)
user_course.save()
course.students += 1
course.save()
# 显示学过该课程的人还学过哪些课程
all_user_courses = UserCourse.objects.filter(course=course) # 都学这门课的用户
all_user_id = [
user_course.user.id for user_course in all_user_courses
] # 都学这门课的用户ID
all_courses = UserCourse.objects.filter(
user_id__in=all_user_id)[:5] # 都学这门课的用户学的别的课程
# 所有学过当前课程人学的课程,排除当前课程
related_course = []
for course1 in all_courses:
if course1.course.id != course.id:
related_course.append(course1.course)
# 课程资源
all_resourse = CourseResource.objects.filter(course=course)
return render(
request, 'course-video.html', {
"course": course,
'all_resourse': all_resourse,
'related_course': related_course
})
def get(self, request, cou_id):
course = Course.objects.get(id=int(cou_id))
if not UserCourse.objects.filter(user=request.user, course=course):
course.students += 1
course.save()
user_courses = UserCourse.objects.filter(user=request.user,
course=course)
if not user_courses:
user_course = UserCourse(user=request.user, course=course)
user_course.save()
user_courses = UserCourse.objects.filter(course=course)
users_ids = [user_course.user.id for user_course in user_courses]
all_user_courses = UserCourse.objects.filter(user_id__in=users_ids)
courses_ids = [
user_course.course.id for user_course in all_user_courses
]
relate_courses = Course.objects.filter(id__in=courses_ids)[:5]
lessons = Lesson.objects.filter(course=course)
return render(
request, 'course-video.html', {
'course': course,
'lessons': lessons,
'relate_courses': relate_courses,
})